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NANCY A BREEN R. N., N.P.
NPI 1144346594
Nurse Practitioner in Lancaster, CA

Active since March 21, 2007
44900 60TH ST W, LANCASTER, CA 93536(661) 948-8581(661) 945-8474 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Nancy A Breen R. N., N.p. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NANCY A BREEN R. N., N.P. (NPI 1144346594) is an individual nurse practitioner in Lancaster, California, licensed in California (NP10011) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1144346594
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameNANCY A BREENCredential: R. N., N.P.
Location Address44900 60TH ST WLancaster, CA 93536-7618
Mailing Address44900 60th St WLancaster, CA 93536-7618 · (661) 948-8581 · Fax (661) 945-8474
Phone(661) 948-8581
Fax(661) 945-8474
Sole ProprietorNo
Enumeration DateMarch 21, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1144346594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · NP10011
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License RN395424 (CA)
44900 60TH ST W, Lancaster, CA 93536
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. VIOLETA VALLEJO-SINAVSKY M.D.
Internal Medicine
44900 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 948-8581
CAROL F STOWE R.N., C.R.N.A.
Nurse Anesthetist, Certified Registered
44900 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 948-8581
DR. NANCY LOUISE FERREL M.D.
Emergency Medicine
44900 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 948-8581
ROSALIND LILLY R.N., N.P.
Nurse Practitioner
44900 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 948-8581
DR. CANAGARETNAM CHANDRADAS M.D.
Internal Medicine
44900 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 948-8581
MS. LESSETTE PLASCENCIA CETTO RNP
Nurse Practitioner (Pediatrics)
44900 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 945-8303
COUNTY OF LOS ANGELES
Obstetrics & Gynecology
44900 60TH ST W
LANCASTER, CA 93536
Los Angeles County (323) 890-7509
DR. KARTIKEY S MEHTA M.D.
Internal Medicine
44900 60TH ST W
LANCASTER, CA 93536
Los Angeles County (661) 948-8581

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nancy Breen's NPI number?

The NPI number for Nancy Breen is 1144346594. It was assigned to this individual provider in the NPPES registry on March 21, 2007.

Where is Nancy Breen located?

Nancy Breen practices at 44900 60th St W, Lancaster, CA 93536. The listed phone number is (661) 948-8581.

What is Nancy Breen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Nancy Breen was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.